JP2008183101A - Roll finishing machine and control method of roll finishing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To operate a roll finishing machine 1 provided in continuous washing equipment in an appropriately adjusted condition in accordance with the kind of laundry being a processing object by automatically controlling the roll finishing machine 1. <P>SOLUTION: An operator manually operates the laundry kind specifying button 11 of an operation board 10 and specifies the kind (sheets, pajamas or pillow covers, etc., for instance) of the laundry. An operation signal (arrow s) is input to an automatic controller 12. The automatic controller 12 supplied with the operation signal (arrow s) supplies command signals (arrow h and arrow i) to a roll rotationally driving mechanism 13 and a roll steam adjuster 14 and makes the rotational speed and heating temperature of main rolls (5A-5D) appropriate. The automatic controller 12 further supplies a command signal k to a pressurizing roll 6, a command signal arrow m to an air jet 8 and a command signal arrow n to a vacuum box 9 and automatically controls accessory devices. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a roll finishing machine constituting a continuous washing facility and a control method thereof.

FIG. 2 is a front view schematically showing a conventional example of a roll finishing machine.
The roll finishing machine 1 is usually incorporated into a continuous laundry facility and operates in cooperation with other equipment. That is, it serves as one station in a continuous flow process.
In the example of FIG. 2, the wet laundry that the input machine 2 spreads out and receives is received, subjected to press finishing, and transferred to the folding machine 3.

The roll finisher of this example is a calendar type and includes a first main roll 5A, a second main roll 5B, a third main roll 5C, and a fourth main roll 5D. These main rolls are heated with steam and roll press the laundry.
The laundry is squeezed by a dehydrator (not shown) so that the drops do not drip, and is supplied as indicated by arrow a and delivered to the infeed conveyor 4.
The laundry conveyed by the feed conveyor 4 is fed between the first main roll 5A and the compression roll 6. The pressing roll 6 brings the laundry into close contact with the first main roll 5A so that the laundry is not wrinkled.

  At this time, it is desirable that the rotational speed (circumferential speed) of the first main roll 5A is slightly faster than the conveying speed of the infeed conveyor 4, but if the conveying speed of the infeed conveyor 4 is too high, the laundry may be damaged. Therefore, the speed ratio (speed ratio) must be appropriate. However, an appropriate speed ratio varies depending on the type of laundry, and a laundry that is easily torn is set to a small speed ratio.

The laundry that has passed through the compression roll 6 is pressed against the first main roll 5A by the heat belt 7 wound around the main roll. The first main roll 5A rotates in the direction of the arrow b, rotates while pressing the laundry, and feeds it out as indicated by the arrow c. At this time, an air jet 8 is provided to peel the laundry from the first main roll 5A.
Although the drawings are schematically drawn and the detailed structure of the laundry peeling means is not shown, the reference numeral 8 indicates that it is a symbol mark of a peeling device provided with air jetting means. I want you to know.

The laundry sent out from the first main roll 5A as shown by the arrow c is sandwiched between the second main roll 5B and the heat belt 7 and sent while rotating as shown by the arrow d. The second main roll Pass 5B. An air jet 8 (peeling device) is also provided at the exit of the arrow d.
A vacuum box 9 for preventing wrinkles of the laundry is provided in the vicinity of the outlet from the second main roll 5B, and the laundry at the stage of the half roll press finish is vacuum-sucked toward the heat belt 7.

The laundry that has passed through the first main roll 5A is sent to the third main roll 5C, and is rotated and sent out as indicated by an arrow e. An air jet 8 is also provided here.
The laundry is further subjected to a press finishing process while passing through the fourth main roll 5D as indicated by an arrow f, peeled off by the air jet 8, and delivered to the folding machine 3 as indicated by an arrow g.
As described above, the roll finishing machine 1 is given a defensive range as a member of a continuous laundry facility and performs its role.

As for the technology for controlling the laundry roll finishing machine, Japanese Patent Application Laid-Open No. 7-265577 cited in Japanese Patent Application Laid-Open No. 7-265577 and “Japanese Patent Application Laid-Open No. Hei 7-” mentioned as Japanese Patent Application Laid-Open No. No. 227500, “Method and apparatus for supplying laundry to laundry processing apparatus” has been proposed.
The above-mentioned Japanese Patent Application Laid-Open No. 7-265577 “Method for supplying laundry to a laundry processing apparatus” is an invention for regulating the position and posture of laundry supplied to a roll finishing machine.
Japanese Patent Application Laid-Open No. 7-227500 “Method and apparatus for supplying laundry to a laundry processing apparatus” is an invention that aims to speed up the operation of inserting the laundry.
Japanese Patent Laid-Open No. 7-265577 JP 7-227500 A

Laundry facilities equipped with roll finishing machines usually handle many types of laundry such as sheets, pajamas and pillow covers.
For this reason, it is necessary to adjust the driving state in accordance with the type of laundry for each device constituting the laundry facility.
Considering the example of FIG. 2, conventionally, it is not possible to automatically match the operation speed (processing amount per hour) of the roll finishing machine 1 with the operation speed (specifically, processing amount per hour) of the charging machine 2. It was broken.

According to the inventor's research, it is not enough to automatically adjust the operation speed of the roll finishing machine, and the best operation cannot be expected unless the temperature of the main roll is adjusted according to the type of laundry.
The best operation is to stably carry out the highest quality processing possible with maximum efficiency.
In order to control the temperature of the main roll, the amount of heat supplied must be controlled by adjusting the pressure of the steam supplied to the main roll.
In order to perform the best operation and obtain the highest finishing quality with high efficiency, the conveying speed of the infeed conveyor 4, the pressing force of the pressing roll 6, and the air pressure of the air jet 8 must be adjusted to optimum values. .

Conventionally, the operator manually adjusts the temperature of the main roll, the speed ratio of the infeed conveyor (speed ratio to the main roll speed), the pressing force of the compression roll, the air pressure of the air jet, etc. according to the type of laundry Was. For this reason, not only a great deal of time and labor is required, but also a high level of knowledge and skill is required for the workers. In addition, the adjustment by the worker may cause an artificial mistake.
The present invention has been made in view of the circumstances described above, and its purpose is to provide an automatic control technology (apparatus and method) capable of optimizing the adjustment state of the roll finishing machine according to the properties of the laundry. Is to provide.

The configuration of the present invention will be described with reference to FIG. 1 corresponding to the first embodiment. In this [Means for Solving the Problems], reference numerals with parentheses are added for easy comparison with the drawings, but the reference numerals with parentheses limit the configuration of the present invention as shown in the drawings. Not what you want.
The configuration of the roll finishing machine according to the invention of claim 1 is a calendar type roll finishing machine provided with a main roll that is heated by supplying steam.
An automatic control device (12) provided with an input means (11) for selecting the type of laundry is provided,
Said automatic control apparatus has the function to increase / decrease the rotation speed of a roll rotation drive mechanism (13) and the steam pressure of a roll steam regulator (14) according to the kind of laundry, It is characterized by the above-mentioned. To do.

The roll finishing machine according to the invention of claim 2 has a feed conveyor (4) for supplying laundry to the main roll, in addition to the constituent elements of the invention of claim 1 above. Have
The automatic control device is based on a signal from the means for inputting the type of laundry,
It has a function of increasing / decreasing a speed ratio, which is a ratio of the conveying speed of the feeding conveyor to the rotation speed of the main roll, according to the type of laundry.

According to a third aspect of the present invention, in addition to the constituent features of the first aspect of the invention, the roll finishing machine includes a compression roll (6) for pressing the laundry against the main roll. And
The automatic control device has a function of increasing / decreasing the pressure of the pressing roll according to the laundry type based on a signal from the means (11) for inputting the laundry type. It is characterized by.

The structure of the roll finishing machine according to the invention of claim 4 is in addition to the constituent features of the invention of claim 1 or claim 3, the roll finishing machine is an air injection means for peeling the laundry from the main roll ( 8)
The automatic control device has a function of increasing / decreasing the air pressure of the air jetting means for peeling the laundry based on a signal from the means (11) for inputting the type of the laundry. And

The roll finishing machine according to a fifth aspect of the invention has a vacuum box (9) for preventing the wrinkle of the laundry from being added to the constituent elements of the inventions of the first to fourth aspects. )
The automatic control device has a function of increasing / decreasing the negative pressure of the vacuum box based on a signal from the means (11) for inputting the type of laundry.

The roll finishing machine according to the invention of claim 6 is configured to fold up the roll-finished laundry in the roll finishing machine in addition to any one of the constituent elements of claims 1 to 5. There is a machine (3),
A function for the automatic control device to increase or decrease the amount of processing per hour of the folding machine according to the amount of processing per hour of the roll finishing machine based on a signal from the means (11) for inputting the type of laundry. It is characterized by having.

The method for controlling a roll finisher according to the invention of claim 7 is a method for controlling a calendar type roll finisher provided with a main roll heated by steam,
A signal for selecting the type of laundry is input to the automatic control device (12),
By the automatic control device, the rotation speed of the roll rotation drive mechanism (13) and the steam pressure of the roll steam regulator (14) are controlled to increase / decrease so as to be appropriate values according to the type of laundry. .

In addition to the constituent features of the invention of claim 7, the control method of the roll finishing machine according to the invention of claim 8,
By the automatic control device (12), the pressure of the air supplied to the air injection means provided in the roll finishing machine, the negative pressure supplied to the vacuum box (9), and the pressure roll (6) It is characterized by controlling at least one of the pressing forces together.

The configuration of the control method of the roll finishing machine according to the invention of claim 9 is in addition to any one of the configuration requirements of claims 6 to 8,
When the calendar type roll finishing machine is installed together with other machines and forms a continuous washing facility in cooperation with these machines,
By the automatic control device (12), the processing amount per hour of one or a plurality of laundry equipment devices located upstream from the roll finisher and / or located downstream from the roll finisher The amount of processing per hour of one or a plurality of laundry equipments that are in operation is increased or decreased so as to be equal to the amount of processing per hour of the roll finisher.

  When the roll finisher according to the invention of claim 1 is applied, an optimum main roll temperature is obtained according to the properties of each type of laundry without requiring special knowledge and skill, and a high-quality roll finish is obtained. Can be carried out with high efficiency.

  Applying the roll finishing machine according to the invention of claim 2 does not require any special knowledge or skill, and for each type of laundry, an optimum in-feed conveyor speed ratio can be obtained according to its properties and damage the laundry. High-quality roll finishing can be performed with high efficiency without causing wrinkles.

  Applying the roll finishing machine according to the invention of claim 3 does not require any special knowledge or skill, and for each type of laundry, the optimum pressing roll pressing force can be obtained according to the nature of the laundry. Roll finishing can be performed with high efficiency.

  Applying the roll finishing machine according to the invention of claim 4 does not require special knowledge and skill, and for each type of laundry, the optimum air pressure for peeling the laundry can be obtained according to its properties. High quality roll finish can be performed with high efficiency.

  Applying the roll finishing machine according to the invention of claim 5, without requiring special knowledge and skill, for each type of laundry, the vacuum box negative pressure for preventing wrinkles optimal for the nature of the laundry can be obtained, Higher quality roll finishing can be performed with high efficiency.

  When the roll finishing machine according to the invention of claim 6 is applied, the processing efficiency of each device constituting the laundry facility is made to the same level, so that the entire facility can be operated smoothly, rationally and economically. it can.

   By applying the control method of the roll finisher according to the invention of claim 7, the main roll temperature can be appropriately maintained according to the properties of each type of laundry without requiring special knowledge or skill. High-quality roll finishing work can be performed with high efficiency.

  By applying the control method of the roll finisher according to the invention of claim 8, each device attached to the main roll can be maintained in an appropriate state, and a higher-quality roll finishing operation can be performed with high efficiency. be able to.

  When the method for controlling a roll finishing machine according to the invention of claim 9 is applied, a balanced operation is possible as a whole of the laundry including the roll finishing machine, which greatly contributes to the development of the laundry industry.

FIG. 1 is a schematic front view of an embodiment in which the present invention is applied to the conventional roll finishing machine shown in FIG.
An operation panel is indicated by reference numeral 10. In this example, the device is provided in the input device 2 and mainly operates the operation of the input device. The operation panel 10 of this example is provided with a laundry type designation button 11.
The laundry type designation button is a device for designating a laundry type and inputting it to the automatic control device 12.

The laundry type designation button 11 in this example is divided into sheets, pajamas, pillow covers, bath towels, and the like. When each button is pressed, a signal (arrow s) indicating the type of laundry is sent to the automatic control device 12. It is supposed to be sent.
Although illustration is omitted, as an embodiment different from the above, a dial representing the thickness dimension of the laundry can be provided. Moreover, you may provide the button showing the material of the laundry. In short, some input means for selecting the type of laundry is provided.

  The automatic control device 12 to which a signal (arrow s) indicating the type of laundry is input controls the attached devices of the roll finishing machine 1 and peripheral machinery of the roll finishing machine according to a predetermined program. Command signals (arrow h to arrow n, arrow q) are output. In the following, description will be made sequentially.

Reference numeral 13 denotes a roll rotation drive mechanism. Controlling the rotational speed of the main rolls (5A to 5D) by giving a command signal to the drive mechanism has been conventionally performed.
In the present embodiment, not only the roll rotation drive mechanism 13 but also the roll steam regulator 14 is given a command signal (arrow i) to control the pressure of the heating steam supplied to each main roll, The temperature of the main roll is automatically adjusted to be an appropriate temperature according to the type of laundry.
The appropriate temperature according to the laundry type is basically given to the program of the automatic control device 12 by a professional engineer of a continuous washing machine manufacturer based on many years of experience.
However, it is desirable that each user can be adjusted according to their usage conditions.

As described above, when the rotation speed of the main roll is automatically adjusted by the automatic control device 12, the amount of processing per hour as the roll finishing machine 1 (in figurative terms, the flow rate of the laundry to be processed) is increased. Change.
Therefore, in the present embodiment, a command signal (arrow j) is given from the automatic control device 12 to the folding machine 3 that receives the laundry sent from the roll finishing machine 1, and the throughput per hour of the folding machine is roll finished. Automatic control to match with machine 1. Thereby, rational and smooth operation is performed as the whole continuous washing equipment including the roll finishing machine 1 and the folding machine 3.

The pressing roll 6 has a role of pressing the laundry to be processed against the first main roll 5A, and the optimum pressing force varies depending on the type of the laundry.
Therefore, in the present embodiment, the pressing force control signal (arrow k) is given to the compression roll 6 from the automatic control device 12 to automatically control the pressing force.
Specifically, the air pressure supplied to the air cylinder (not shown) pressing the compression roll 6 toward the first main roll 5A is controlled, but in FIG. 1, in order to simplify the drawing, The pressing force control is expressed by adding a control arrow k to the compression roll 6.

Conventionally, a speed ratio (speed ratio with respect to the main roll speed) is generally given with respect to the conveying speed of the feed conveyor 4. Depending on the type of laundry, this speed ratio increases the speed ratio of thick and heavy laundry to prevent wrinkles, and thin and thin laundry manually reduces the speed ratio to prevent damage. Was.
In this embodiment, the automatic control device 12 to which the laundry type signal (arrow s) is input calculates an appropriate speed ratio according to the laundry type, and sends a control command signal (arrow q) to the infeed conveyor 4. give.
As a result, an appropriate speed ratio is given without fear of causing human error, so that wrinkles are prevented without damaging the laundry.

  The roll finishing machine 1 of this example is provided with four air jets 8 (peelers provided with air jet means). An air pressure control signal (arrow m) is given from the automatic control device 12 to each of the four air injections 8. Specifically, a pressure control signal is given to the electromagnetically operated pressure control valve provided in the compressed air pipe, but in order to simplify the drawing in FIG. Pressure control was expressed by appending k.

  A negative pressure control signal (arrow n) is given to the vacuum box 9 from the automatic control device 12 to automatically control the vacuum pressure (negative pressure) so as to match the processing efficiency of the roll finishing machine 1. Specifically, a pressure control signal is given to an electromagnetically operated pressure control valve provided in a pressure reducing air line. In FIG. 1, in order to simplify the drawing, a control arrow is applied to a vacuum box 9. Negative pressure control was expressed by appending n.

With the above configuration, the roll finishing machine 1 according to the present embodiment smoothly cooperates with the dosing machine 2 disposed on the upstream side and the folding machine 3 disposed on the downstream side, thereby performing continuous washing. It plays the role of one station forming the equipment without excess or deficiency.
In addition, inside the roll finishing machine 1, various attached devices (for example, the pressure roll 6, the air jet 8, and the vacuum box 9) are automatically adjusted appropriately to achieve the highest quality roll finish within the possible range. At the maximum efficiency of the roll finisher.
In addition, since these controls are automatically performed, the worker does not require special knowledge and skill, and the labor load is light.

It is a mimetic diagram showing one embodiment of a roll finishing machine concerning the present invention. It is a schematic diagram which shows the prior art example of a roll finishing machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Roll finishing machine 2 ... Loading machine 3 ... Folding machine 4 ... Feeding conveyor 5A, 5B, 5C, 5D ... Main roll 6 ... Compression roll 7 ... Heat belt 8 ... Peeling device provided with air injection means 9 ... Vacuum box
10 ... Control panel
11 ... Laundry type designation button
12 ... Automatic control device
13 ... Roll rotation drive mechanism
14 ... Roll steam regulator

Claims (9)

In a calendar type roll finishing machine provided with a main roll heated by supplying steam,
An automatic control device having an input means for selecting the type of laundry is provided,
A roll finishing machine, wherein the automatic control device has a function of increasing or decreasing the rotation speed of the roll rotation drive mechanism and the steam pressure of the roll steam regulator according to the type of laundry. The roll finisher includes a feed conveyor for supplying laundry to the main roll,
The automatic control device is based on a signal from the means for inputting the type of laundry,
The roll finishing machine according to claim 1, wherein the roll finishing machine has a function of increasing / decreasing a speed ratio, which is a ratio of a conveying speed of an infeed conveyor to a rotation speed of a main roll, according to a type of laundry. . The roll finisher includes a compression roll for pressing the laundry against the main roll,
The automatic control device has a function of increasing / decreasing the pressure of the pressing roll according to the type of laundry based on a signal from the means for inputting the type of laundry. The roll finishing machine according to claim 1 or 2. The roll finisher includes air jetting means for peeling the laundry from the main roll,
The automatic control device has a function of increasing / decreasing the air pressure of the air injection means based on a signal from the means for inputting the type of laundry. Item 4. The roll finishing machine according to any one of Items 3 to 3. The roll finishing machine includes a vacuum box for preventing wrinkles of laundry,
The automatic control device has a function of increasing / decreasing the negative pressure of the vacuum box based on a signal from a means for inputting a laundry type. Item 5. A roll finisher according to any one of Items 4 to 5. A folding machine for folding the roll-finished laundry is attached to the roll finishing machine,
The automatic control device has a function of increasing / decreasing the amount of processing per hour of the folding machine according to the amount of processing per hour of the roll finisher based on a signal from the means for inputting the type of laundry. The roll finisher according to any one of claims 1 to 5, wherein the roll finisher is provided. In a method of controlling a calendar type roll finisher provided with a main roll heated by steam,
A signal for selecting the type of laundry is input to the automatic control device,
A control method for a roll finishing machine, characterized in that the automatic control device increases or decreases the rotation speed of the roll rotation drive mechanism and the steam pressure of the roll steam regulator according to the type of laundry.   The automatic control device controls at least one of the air pressure of the air injection means provided in the roll finishing machine, the negative pressure of the vacuum box, and the pressing force of the compression roll. The method for controlling a roll finisher according to claim 7, wherein: When the calendar type roll finishing machine is installed together with other machines and forms a continuous washing facility in cooperation with these machines,
By the automatic control device, the throughput per hour of one or more devices located upstream from the roll finisher and / or one located downstream from the roll finisher The roll finishing machine according to claim 7 or 8, wherein the processing amount per hour of a plurality of devices is increased or decreased so as to equalize the processing amount per hour of the roll finishing machine. Control method.

Images